4857791 has 2 divisors, whose sum is σ = 4857792. Its totient is φ = 4857790.

The previous prime is 4857781. The next prime is 4857799. The reversal of 4857791 is 1977584.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4857791 - 2¹⁴ = 4841407 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4857799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2428895 + 2428896.

It is an arithmetic number, because the mean of its divisors is an integer number (2428896).

Almost surely, 2^4857791 is an apocalyptic number.

4857791 is a deficient number, since it is larger than the sum of its proper divisors (1).

4857791 is an equidigital number, since it uses as much as digits as its factorization.

4857791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 41.

The square root of 4857791 is about 2204.0397001869. The cubic root of 4857791 is about 169.3608177465.

The spelling of 4857791 in words is "four million, eight hundred fifty-seven thousand, seven hundred ninety-one".